CN115336330A

CN115336330A - Data transmission configuration method and device

Info

Publication number: CN115336330A
Application number: CN202280002527.0A
Authority: CN
Inventors: 杨星
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-11
Also published as: WO2024011546A1

Abstract

The embodiment of the disclosure discloses a data transmission configuration method and a data transmission configuration device, which can be applied to the technical field of communication, wherein the method executed by a terminal device comprises the following steps: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two. Therefore, the data loaded by the terminal equipment can be transmitted on at least two transmission paths, and the reliability of data transmission can be improved.

Description

Data transmission configuration method and device

Technical Field

The present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for configuring data transmission.

Background

In order to support direct communication between the terminal equipment, a Sidelink communication mode is introduced, and an interface between the terminal equipment and the terminal equipment is PC-5. According to the corresponding relation between sending and receiving, three transmission modes, namely unicast, multicast and broadcast, are supported on the Silelink. In unicast connection, each terminal device corresponds to a destination identifier, in multicast, each terminal device may belong to one or more groups, each group corresponds to a destination identifier, and in broadcast, all terminal devices correspond to at least one destination identifier.

In the related art, data carried by the terminal device may be directly sent to the network side device, or may also be sent to the network side device through the relay terminal device, and a transmission path of the data carried by the terminal device is a direct link directly connected to the network side device or an indirect link indirectly connected to the network side device through the relay terminal device.

However, data carried by the terminal device does not support transmission over multiple transmission paths, which is a problem that needs to be solved urgently.

Disclosure of Invention

The embodiment of the disclosure provides a data transmission configuration method and device, and data carried by terminal equipment supports transmission on at least two transmission paths, so that the reliability of data transmission can be improved.

In a first aspect, an embodiment of the present disclosure provides a data transmission configuration method, where the method is executed by a terminal device, and the method includes: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried by the network side device, and the transmission path includes at least two transmission paths.

In the technical scheme, a terminal device receives a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths. Therefore, the data loaded by the terminal equipment can be transmitted on at least two transmission paths, and the reliability of data transmission can be improved.

In a second aspect, an embodiment of the present disclosure provides another data transmission configuration method, where the method is performed by a network side device, and the method includes: sending a first transmission configuration to a terminal device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two transmission paths.

In a third aspect, an embodiment of the present disclosure provides a communication apparatus, where the communication apparatus has a function of implementing part or all of the functions of the terminal device in the method according to the first aspect, for example, the function of the communication apparatus may have the functions in part or all of the embodiments in the present disclosure, or may have the functions of implementing any one of the embodiments in the present disclosure separately. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more units or modules corresponding to the above functions.

In one implementation, the communication device may include a transceiver module and a processing module configured to support the communication device to perform the corresponding functions of the above method. The transceiver module is used for supporting communication between the communication device and other equipment. The communication device may further comprise a memory module for coupling with the transceiver module and the processing module, which holds computer programs and data necessary for the communication device.

In one implementation, the communication device includes: the receiving and sending module is configured to receive a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths.

In a fourth aspect, an embodiment of the present disclosure provides another communication apparatus, where the communication apparatus has a function of implementing part or all of the functions of the network-side device in the method example described in the second aspect, for example, the function of the communication apparatus may have the functions in part or all of the embodiments in the present disclosure, or may have the functions of implementing any one of the embodiments in the present disclosure separately. The functions can be realized by hardware, and the functions can also be realized by executing corresponding software by hardware. The hardware or software includes one or more units or modules corresponding to the above functions.

In one implementation, the communication device may include a transceiver module and a processing module configured to support the communication device to perform the corresponding functions of the method. The transceiver module is used for supporting communication between the communication device and other equipment. The communication device may further comprise a memory module for coupling with the transceiver module and the processing module, which holds computer programs and data necessary for the communication device.

In one implementation, the communication device includes: the terminal device comprises a transceiving module configured to send a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of data carried by the terminal device, and the transmission path comprises at least two transmission paths.

In a fifth aspect, the disclosed embodiments provide a communication device comprising a processor, which, when calling a computer program in a memory, executes the method of the first aspect.

In a sixth aspect, the disclosed embodiments provide a communication device comprising a processor that, when calling a computer program in a memory, performs the method of the second aspect described above.

In a seventh aspect, the disclosed embodiments provide a communication device comprising a processor and a memory, the memory having stored therein a computer program; the processor executes the computer program stored in the memory to cause the communication device to perform the method of the first aspect.

In an eighth aspect, an embodiment of the present disclosure provides a communication apparatus, including a processor and a memory, in which a computer program is stored; the processor executes the computer program stored in the memory to cause the communication device to perform the method of the second aspect.

In a ninth aspect, an embodiment of the present disclosure provides a communication apparatus, including a processor and an interface circuit, where the interface circuit is configured to receive code instructions and transmit the code instructions to the processor, and the processor is configured to execute the code instructions to cause the apparatus to perform the method according to the first aspect.

In a tenth aspect, the disclosed embodiments provide a communication apparatus, the apparatus comprising a processor and an interface circuit, the interface circuit being configured to receive code instructions and transmit the code instructions to the processor, and the processor being configured to execute the code instructions to cause the apparatus to perform the method of the second aspect.

In an eleventh aspect, the disclosed embodiments provide a random access system, which includes the communication apparatus in the third aspect and the communication apparatus in the fourth aspect, or includes the communication apparatus in the fifth aspect and the communication apparatus in the sixth aspect, or includes the communication apparatus in the seventh aspect and the communication apparatus in the eighth aspect, or includes the communication apparatus in the ninth aspect and the communication apparatus in the tenth aspect.

In a twelfth aspect, an embodiment of the present invention provides a computer-readable storage medium, configured to store instructions for the terminal device, where the instructions, when executed, cause the terminal device to perform the method according to the first aspect.

In a thirteenth aspect, an embodiment of the present invention provides a readable storage medium, configured to store instructions used by the foregoing network-side device, and when the instructions are executed, the network-side device is caused to execute the method described in the foregoing second aspect.

In a fourteenth aspect, the present disclosure also provides a computer program product comprising a computer program which, when run on a computer, causes the computer to perform the method of the first aspect described above.

In a fifteenth aspect, the present disclosure also provides a computer program product comprising a computer program which, when run on a computer, causes the computer to perform the method of the second aspect described above.

In a sixteenth aspect, the present disclosure provides a chip system comprising at least one processor and an interface for enabling a terminal device to implement the functionality according to the first aspect, for example, to determine or process at least one of data and information related to the method. In one possible design, the chip system further includes a memory for storing computer programs and data necessary for the terminal device. The chip system may be formed by a chip, or may include a chip and other discrete devices.

In a seventeenth aspect, the present disclosure provides a chip system, which includes at least one processor and an interface, and is configured to support a network-side device to implement the functions related to the second aspect, for example, to determine or process at least one of data and information related to the method. In one possible design, the system-on-chip further includes a memory for storing computer programs and data necessary for the network-side device. The chip system may be formed by a chip, or may include a chip and other discrete devices.

In an eighteenth aspect, the present disclosure provides a computer program which, when run on a computer, causes the computer to perform the method of the first aspect described above.

In a nineteenth aspect, the present disclosure provides a computer program which, when run on a computer, causes the computer to perform the method of the second aspect described above.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present disclosure, the drawings required to be used in the embodiments or the background art of the present disclosure will be described below.

Fig. 1 is an architecture diagram of a communication system provided by an embodiment of the present disclosure;

fig. 2 is a flowchart of a data transmission configuration method provided by an embodiment of the present disclosure;

fig. 3 is a flowchart of another data transmission configuration method provided by the embodiment of the present disclosure;

fig. 4 is a flowchart of another data transmission configuration method provided by the embodiment of the present disclosure;

fig. 5 is a flowchart of another data transmission configuration method provided by an embodiment of the present disclosure;

fig. 6 is a flowchart of another data transmission configuration method provided by an embodiment of the present disclosure;

fig. 7 is a flowchart of another data transmission configuration method provided by an embodiment of the present disclosure;

fig. 8 is a flowchart of another data transmission configuration method provided by an embodiment of the present disclosure;

fig. 9 is a flowchart of another data transmission configuration method provided by an embodiment of the present disclosure;

fig. 10 is a block diagram of a communication device provided by an embodiment of the present disclosure;

fig. 11 is a block diagram of another communication device provided by an embodiment of the present disclosure;

fig. 12 is a schematic structural diagram of a chip according to an embodiment of the disclosure.

Detailed Description

In order to better understand a data transmission configuration method and apparatus disclosed in the embodiments of the present disclosure, a communication system to which the embodiments of the present disclosure are applicable is first described below.

Referring to fig. 1, fig. 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure. The communication system may include, but is not limited to, one network side device and one terminal device, the number and the form of the devices shown in fig. 1 are only used for example and do not constitute a limitation to the embodiments of the present disclosure, and two or more network side devices and two or more terminal devices may be included in practical applications. The communication system 10 shown in fig. 1 includes a network side device 101 and a terminal device 102 as an example.

It should be noted that the technical solutions of the embodiments of the present disclosure can be applied to various communication systems. For example: a Long Term Evolution (LTE) system, a fifth generation (5 th generation, 5G) mobile communication system, a 5G New Radio (NR) system, or other future new mobile communication systems. It should also be noted that the side links in the embodiments of the present disclosure may also be referred to as side links or through links.

The network side device 101 in the embodiment of the present disclosure is an entity for transmitting or receiving signals on the network side. For example, the network side device 101 may be an evolved NodeB (eNB), a transmission point (TRP), a next generation base station (gNB) in an NR system, a base station in another future mobile communication system, or an access node in a wireless fidelity (WiFi) system. The embodiments of the present disclosure do not limit the specific technology and the specific device form adopted by the base station. The base station provided by the embodiment of the present disclosure may be composed of a Central Unit (CU) and a Distributed Unit (DU), where the CU may also be referred to as a control unit (control unit), and a structure of CU-DU may be used to split protocol layers of the base station, for example, the base station, and a part of functions of the protocol layers are placed in the CU for centralized control, and the rest or all of the functions of the protocol layers are distributed in the DU, and the DU is centrally controlled by the CU.

The terminal device 102 in the embodiment of the present disclosure is an entity, such as a mobile phone, on the user side for receiving or transmitting signals. A terminal device may also be referred to as a terminal device (terminal), a User Equipment (UE), a Mobile Station (MS), a mobile terminal device (MT), etc. The terminal device may be an automobile with a communication function, a smart automobile, a mobile phone (mobile phone), a wearable device, a tablet computer (Pad), a computer with a wireless transceiving function, a Virtual Reality (VR) terminal device, an Augmented Reality (AR) terminal device, a wireless terminal device in industrial control (industrial control), a wireless terminal device in unmanned driving (self-driving), a wireless terminal device in remote surgery (remote medical supply), a wireless terminal device in smart grid (smart grid), a wireless terminal device in transportation safety (transportation safety), a wireless terminal device in smart city (smart city), a wireless terminal device in smart home (smart home), and the like. The embodiments of the present disclosure do not limit the specific technology and the specific device form adopted by the terminal device.

It is to be understood that the communication system described in the embodiment of the present disclosure is for more clearly illustrating the technical solutions of the embodiment of the present disclosure, and does not constitute a limitation to the technical solutions provided in the embodiment of the present disclosure, and as a person having ordinary skill in the art knows that as the system architecture evolves and new service scenarios appear, the technical solutions provided in the embodiment of the present disclosure are also applicable to similar technical problems.

A data transmission configuration method and apparatus provided by the present disclosure will be described in detail below with reference to the accompanying drawings.

Referring to fig. 2, fig. 2 is a flowchart of a data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 2, the method is performed by a terminal device, and may include, but is not limited to, the following steps:

s21: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two.

In the embodiment of the present disclosure, a terminal device receives a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, the transmission path includes at least two transmission paths, and data transmitted by the two transmission paths are from the same carrier and are transmitted repeatedly.

In the embodiment of the present disclosure, the transmission path may be indicated by an RLC (radio link control) entity.

In the related art, a terminal device may not be directly connected to a network side device but communicate with the network side device through a relay of another terminal device, where a terminal device that is not connected to the network side device is called a remote user equipment (remote user equipment), a terminal device that provides a relay function is called a relay user equipment (relay user equipment), and unicast communication is performed between the remote terminal device and the relay terminal device through a Sidelink, which is called a U2N (terminal to network) relay.

The Direct Link (Direct Link) is called when the terminal device is directly connected to the network side device, and the Indirect Link (Indirect Link) is called when the terminal device is connected to the network side device through the relay terminal device.

In the embodiment of the disclosure, in order to solve the problem that, in the related art, a transmission path of data carried by a terminal device is a direct link or an indirect link, the transmission path is one of the direct link and the indirect link, and the terminal device does not support transmission of the data carried on multiple transmission paths, a data transmission configuration method is provided.

The at least two transmission paths may include a direct link in which the terminal device is directly connected to the network-side device, and an indirect link in which the terminal device is connected to the network-side device through the relay terminal device. Therefore, the data carried by the terminal equipment can be transmitted through the direct link and the indirect link at the same time, and the reliability of data transmission can be improved.

In order to improve reliability of data transmission, a network side device may configure multiple transmission paths for a radio bearer of a terminal device, and configure multiple RLC (radio link control) entities for data from a certain PDCP (packet data convergence protocol) entity, where the transmission paths may be determined by a cell group (MCG (master cell group) or SCG (secondary cell group)) and a logical channel identifier.

The above configuration of the network side device may be carried in a pdcp-config, indicated by the morenthanoneon rlc and morenthtworlc-DRB-r 16.

Wherein, the configuration information of the PDCP-Config is as follows:

in the embodiment of the disclosure, a terminal device receives a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, the transmission path includes at least two transmission paths, and the transmission path includes a direct link where the terminal device is directly connected with the network side device, and an indirect link where the terminal device is connected with the network side device through a relay terminal device. Therefore, the terminal equipment supports the repeated transmission of the loaded data on a plurality of transmission paths, and can also simultaneously transmit the data on the direct link and the indirect link, thereby improving the reliability of data transmission.

In some embodiments, the bearer is a data radio bearer DRB and/or a signaling radio bearer SRB.

In the embodiment of the present disclosure, the first transmission configuration is configured to indicate at least two transmission paths of data of a DRB (data radio bearer), or the first transmission configuration is configured to indicate at least two transmission paths of data of an SRB (signaling radio bearer).

The first transmission configuration is used for indicating at least two transmission paths of data of the DRB, and the data transmitted in the at least two transmission paths are from the same DRB and are transmitted repeatedly; the first transmission configuration is used for indicating at least two transmission paths of data of the SRB, and the data transmitted in the at least two transmission paths are from the same SRB and are transmitted repeatedly.

In some embodiments, the transmission path is at least one of:

sidelink relay;

Uu。

the network side equipment sends a first transmission configuration to the terminal equipment, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path at least comprises two paths, at least comprises a Sidelink relay and a Uu.

The Sidelink relay may be an indirect link in which the terminal device is connected to the network side device through the relay terminal device, and Uu is a direct link in which the terminal device is directly connected to the network side device without passing through the relay terminal device.

In the embodiment of the disclosure, the terminal device and the network side device may communicate through a direct link of the communication interface. For example, the communication interface between the terminal device and the network-side device may be a universal UE to network interface (Uu). Therefore, the communication of the direct link between the terminal device and the network side device may also be referred to as Uu. Wherein, uu also includes uplink communication and downlink communication.

In the embodiment of the disclosure, data carried by the terminal device may be repeatedly transmitted through Sidelink relays and Uu at the same time, thereby improving reliability of data transmission.

In some embodiments, if the transmission path is Uu, the transmission path is determined by at least one of:

a cell group;

a cell identity;

a logical channel identification;

radio link control, RLC, identity.

In the embodiment of the present disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths.

Under the condition that the transmission path is Uu, the terminal equipment can determine the transmission path through a cell group, wherein the cell group comprises a main cell group and a secondary cell group.

In the case that the transmission path is Uu, the terminal device may determine the transmission path through the cell identifier.

In the case where the transmission path is Uu, the terminal device may determine the transmission path by the logical channel identifier.

In the case where the transmission path is Uu, the terminal device may determine the transmission path by the radio link control RLC identity.

It should be noted that the above embodiments are not exhaustive, and are only illustrative of some embodiments, and the above embodiments may be implemented alone or in combination of a plurality of embodiments.

In some embodiments, if the transmission path is a Sidelink relay, the transmission path is determined by at least one of:

a relay terminal device identifier;

a Sidelink logical channel identity;

sildelink RLC identity.

When the transmission path is a Sidelink relay, the terminal device may determine the transmission path by relaying the terminal device identifier. The relay terminal device identifier may be a layer 2 identifier of the relay terminal device, or the relay terminal device identifier may be an index, and the relay terminal device at the index position is indicated according to an ascending order or a descending order of the layer 2 identifiers of the relay terminal devices connected to the terminal device.

And under the condition that the transmission path is the Sidelink relay, the terminal equipment can determine the transmission path through the Sidelink logical channel identifier.

And under the condition that the transmission path is the Silelink relay, the terminal equipment can determine the transmission path through the Silelink RLC identification.

It should be noted that the above embodiments are not exhaustive, but are only illustrative of some embodiments, and the above embodiments may be implemented alone or in combination of multiple embodiments.

In some embodiments, the terminal device receives a first transmission configuration sent by the network side device, where the first transmission configuration is used to indicate a transmission path of the data carried, the transmission path includes at least two paths, and the terminal device transmits the data carried through the transmission path according to the first transmission configuration.

In the embodiment of the present disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths. After receiving the first transmission configuration sent by the network side device, the terminal device may determine at least two transmission paths of the data carried according to the first transmission configuration, and based on this, may transmit the data carried through the determined at least two transmission paths, or may transmit the data carried through one of the determined at least two transmission paths, or the like.

Therefore, in the embodiment of the present disclosure, the terminal device may transmit the data carried by the terminal device through a plurality of transmission paths, so that the reliability of data transmission can be improved.

In some embodiments, the transmission path includes a primary transmission path and a secondary transmission path, and transmitting the data carried over the transmission path according to the first duplicate transmission configuration includes: and transmitting the loaded data through the main transmission path according to the first transmission configuration.

In the embodiment of the present disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths. After receiving the first transmission configuration sent by the network side device, the terminal device may determine at least two transmission paths of the data to be carried according to the first transmission configuration, where the at least two transmission paths include a main transmission path and an auxiliary transmission path, and based on this, the terminal device may transmit the data to be carried through the main transmission path according to the first transmission configuration. This can improve the reliability of data transmission.

Among the at least two transmission paths, the main transmission path and the auxiliary transmission path may be set as required, for example: if a transmission path is defined as a primary transmission path by the protocol, another transmission path is defined as a secondary transmission path, or the network side device may configure the transmission path as the primary transmission path and the other transmission path is defined as a secondary transmission path.

Of course, the above example is only used as an illustration, in at least two transmission paths, the main transmission path and the auxiliary transmission path may be determined according to protocol agreement or network side device configuration, or one of the main transmission path and the auxiliary transmission path may also be determined according to protocol agreement or network side device configuration, and then the other one may be automatically determined, which is not limited in this embodiment of the present disclosure.

In the case that the transmission path includes three or more transmission paths, there may be only one main transmission path and multiple auxiliary transmission paths, and the main transmission path may be determined according to protocol agreement or configuration of the network side device, and then the other transmission paths are auxiliary transmission paths.

In some embodiments, the terminal device receives first indication information sent by the network side device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated.

In the embodiment of the disclosure, a terminal device receives first indication information sent by a network side device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. Wherein the first indication information is used for indicating the transmission path of the activated bearer, or the first indication information is used for indicating the transmission path of the deactivated bearer.

In some embodiments, the terminal device transmits the data carried by the terminal device through the transmission path in the activated state.

In this embodiment of the disclosure, on the basis that the first indication information is used to indicate the activated transmission path of the bearer, the terminal device may transmit the data of the bearer through the transmission path in the activated state.

In some embodiments, the first indication information is carried in at least one of:

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sidelink RRC message.

In the embodiment of the present disclosure, the network side device sends the first indication information to the terminal device, and may send a MAC CE (media access control element) to the terminal device, where the MAC CE carries the first indication information.

In the embodiment of the present disclosure, the network side device sends the first indication information to the terminal device, and may send a Radio Resource Control (RRC) message to the terminal device, where the RRC message carries the first indication information.

In the embodiment of the present disclosure, a network side device sends first indication information to a terminal device, and may send a packet Data convergence Protocol PDCP (packet Data convergence Protocol) control PDU (Protocol Data Unit) to the terminal device, where the packet Data convergence Protocol PDCP control PDU carries the first indication information.

In the embodiment of the present disclosure, the network side device sends the first indication information to the terminal device, and may send a Sidelink MAC CE to the terminal device, where the Sidelink MAC CE carries the first indication information.

In the embodiment of the present disclosure, the network side device sends the first indication information to the terminal device, and may send a Sidelink RRC message to the terminal device, where the Sidelink RRC message carries the first indication information.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

In the embodiment of the disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. A bearer identification may be sent to the terminal device to indicate the activated or deactivated bearer.

In the embodiment of the disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. A transmission path activation indication may be sent to the terminal device to indicate activation of the transmission path of the bearer.

In the embodiment of the disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. A transmission path deactivation indication may be sent to the terminal device to indicate deactivation of the transmission path of the bearer.

In the embodiment of the disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. The bearer identification and the transmission path activation indication may be sent to the terminal device to indicate the transmission path of the activated bearer.

In the embodiment of the disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate a transmission path for activating or deactivating a bearer. The bearer identification and the transmission path deactivation indication may be sent to the terminal device to indicate the transmission path of the deactivated bearer.

The first indication information may include a bit map, bit positions are in one-to-one correspondence with the transmission paths, bits in corresponding positions indicate activation or deactivation, and a correspondence between a bit position and a transmission path may be Uu after the first is a Sidelink relay, or vice versa. If there are multiple logical channels or RLC channels in any path, the logical channels or RLC channels are sorted in ascending or descending order of their identities.

In some embodiments, the first transmission configuration comprises an activation status indication indicating that the transmission path is in an active state.

In the embodiment of the present disclosure, the first transmission configuration sent by the network side device to the terminal device further includes an activation state indication, where the activation state indication is used to indicate that the transmission path is in an activation state, where the activation state indication may indicate that one of the at least two transmission paths is in an activation state, and based on this, the terminal device may determine the transmission path in the activation state after receiving the first transmission configuration sent by the network side device.

In some embodiments, the data carried is transmitted over the transmission path in the active state.

In the embodiment of the disclosure, the terminal device determines the transmission path in the activated state according to the first transmission configuration sent by the network side device, and can transmit the carried data through the transmission path in the activated state, so that the terminal device can determine the transmission path of the carried data and transmit the carried data on the transmission path in the activated state, thereby improving the reliability of data transmission.

Referring to fig. 3, fig. 3 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 3, the method is performed by a terminal device, and may include, but is not limited to, the following steps:

s31: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two.

In the embodiment of the present disclosure, reference may be made to the relevant description in the above embodiment for the relevant description of S31, and details are not repeated here.

S32: and transmitting the loaded data through the transmission path according to the first transmission configuration.

In the embodiment of the present disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths. After receiving the first transmission configuration sent by the network side device, the terminal device may determine at least two transmission paths of the data carried according to the first transmission configuration, and based on this, may transmit the data carried through the at least two determined transmission paths, or may transmit the data carried through one of the at least two determined transmission paths, or the like.

It should be noted that, in the embodiment of the present disclosure, S31 and S32 may be implemented separately, or may be implemented together with any other step in the embodiment of the present disclosure, for example, implemented together with S21 in the embodiment of the present disclosure, and the embodiment of the present disclosure does not limit this.

By implementing the embodiment of the disclosure, the terminal device receives a first transmission configuration sent by the network side device, wherein the first transmission configuration is used for indicating a transmission path of the data carried, the transmission path includes at least two paths, and the data carried is transmitted through the transmission path according to the first transmission configuration. Therefore, the terminal equipment can transmit the loaded data through a plurality of transmission paths, and the reliability of data transmission can be improved.

Referring to fig. 4, fig. 4 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 4, the method is performed by a terminal device, and may include, but is not limited to, the following steps:

s41: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two.

In the embodiment of the present disclosure, for the related description of S41, reference may be made to the related description in the above embodiment, and details are not repeated here.

S42: and according to the first transmission configuration, transmitting the loaded data through a main transmission path, wherein the transmission path comprises the main transmission path and an auxiliary transmission path.

In the embodiment of the present disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths. After receiving the first transmission configuration sent by the network side device, the terminal device may determine at least two transmission paths of the data carried according to the first transmission configuration, where the at least two transmission paths include a main transmission path and an auxiliary transmission path, and based on this, the terminal device may transmit the carried data through the main transmission path according to the first transmission configuration. This can improve the reliability of data transmission.

It should be noted that, in the embodiment of the present disclosure, S41 and S42 may be implemented separately, or may be implemented together with any other step in the embodiment of the present disclosure, for example, implemented together with S21 and/or S31 and S32 in the embodiment of the present disclosure, which is not limited in this embodiment of the present disclosure.

By implementing the embodiment of the disclosure, the terminal device receives a first transmission configuration sent by the network side device, where the first transmission configuration is used to indicate a transmission path of the data carried, the transmission path includes at least two paths, and the data carried is transmitted through the main transmission path according to the first transmission configuration, where the transmission path includes the main transmission path and an auxiliary transmission path. Therefore, the terminal equipment can transmit the loaded data through a plurality of transmission paths, and the reliability of data transmission can be improved.

Referring to fig. 5, fig. 5 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 5, the method is performed by a terminal device, and may include, but is not limited to, the following steps:

s51: receiving a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, the transmission path includes at least two transmission paths, and the first transmission configuration includes an activation status indication, and the activation status indication is used to indicate that the transmission path is in an activation status.

In the embodiment of the present disclosure, for the related description of S51, reference may be made to the related description in the above embodiment, and details are not repeated here.

S52: and transmitting the carried data through the transmission path in the activated state.

In the embodiment of the present disclosure, the terminal device determines the transmission path in the activated state according to the first transmission configuration sent by the network side device, and may transmit the carried data through the transmission path in the activated state, so that the terminal device may determine the transmission path of the carried data and transmit the carried data on the transmission path, which may improve reliability of data transmission.

It should be noted that, in the embodiment of the present disclosure, S51 and S52 may be implemented separately, or may be implemented together with any other step in the embodiment of the present disclosure, for example, S21 and/or S31 and S32 and/or S41 and S42 in the embodiment of the present disclosure are implemented together, and the embodiment of the present disclosure does not limit this.

By implementing the embodiment of the present disclosure, the terminal device receives a first transmission configuration sent by the network side device, where the first transmission configuration is used to indicate a transmission path of data carried, the transmission path includes at least two transmission paths, the first transmission configuration includes an activation status indication, and the activation status indication is used to indicate that the transmission path is in an activation status, and the data carried is transmitted through the transmission path in the activation status. Therefore, the data carried by the terminal equipment can be transmitted on at least two transmission paths, and the transmission on the transmission path in the activated state is supported, so that the reliability of data transmission can be improved.

Referring to fig. 6, fig. 6 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 6, the method is performed by a terminal device, and may include, but is not limited to, the following steps:

s61: receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two.

In the embodiment of the present disclosure, for the related description of S61, reference may be made to the related description in the above embodiment, and details are not repeated here.

S62: receiving first indication information sent by a network side device, wherein the first indication information is used for indicating the activation or deactivation of a transmission path of a bearer.

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sildelink RRC message.

In the embodiment of the present disclosure, a network side device sends first indication information to a terminal device, and may send a Protocol Data Unit (Protocol Data Unit) control PDU (packet Data convergence Protocol) to the terminal device, where the packet Data convergence Protocol PDCP control PDU carries the first indication information.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

In the embodiment of the present disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated. A transmission path deactivation indication may be sent to the terminal device to indicate deactivation of the transmission path of the bearer.

S63: and transmitting the carried data through the transmission path in the activated state.

It should be noted that, in the embodiment of the present disclosure, S61 to S63 may be implemented individually, or may be implemented together with any other step in the embodiment of the present disclosure, for example, S21 and/or S31 and S32 and/or S41 and S42 in the embodiment of the present disclosure are implemented together, and the embodiment of the present disclosure is not limited thereto.

By implementing the embodiment of the disclosure, the terminal device receives a first transmission configuration sent by the network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried, and the transmission path includes at least two transmission paths; receiving first indication information sent by a network side device, wherein the first indication information is used for indicating activation or deactivation of a transmission path of a bearer, and transmitting data of the bearer through the transmission path in an activated state. Therefore, the terminal equipment can transmit the loaded data through a plurality of transmission paths, and supports the transmission on the transmission path in the activated state, so that the reliability of data transmission can be improved.

Referring to fig. 7, fig. 7 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 7, the method is performed by a network side device, and the method may include, but is not limited to, the following steps:

s71: and sending a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path comprises at least two transmission paths.

In the embodiment of the disclosure, a network side device sends a first transmission configuration to a terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, the transmission path includes at least two paths, and data transmitted by the two transmission paths is from the same carrier and is transmitted repeatedly.

In the related art, a terminal device may not be directly connected to a network side device but may implement communication with the network side device through a relay of another terminal device, where a terminal device that is not connected to the network side device is called a remote user equipment (remote user equipment), a terminal device that provides a relay function is called a relay user equipment (relay user equipment), and the remote terminal device and the relay terminal device perform unicast communication through a Sidelink, and this architecture is called a U2N (terminal to network) relay.

The Direct Link (Direct Link) is a Link between the terminal device and the network side device, and the Indirect Link (Indirect Link) is a Link between the terminal device and the network side device.

Wherein, the configuration information of the PDCP-Config is as follows:

In the embodiment of the present disclosure, the first transmission configuration is used to indicate at least two transmission paths of data of a DRB (data radio bearer), or the first transmission configuration is used to indicate at least two transmission paths of data of an SRB (signaling radio bearers).

In some embodiments, the transmission path is at least one of:

sidelink relay;

Uu。

the network side equipment sends a first transmission configuration to the terminal equipment, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path at least comprises two paths including at least Sidelink relays and Uu.

In some embodiments, the transmission path is Uu, and the terminal device determines the transmission path by at least one of:

a cell group;

a cell identity;

a logical channel identification;

radio link control, RLC, identity.

In some embodiments, the transmission path is a Sidelink relay, and the terminal device determines the transmission path by at least one of:

a relay terminal device identifier;

a Sidelink logical channel identification;

sildelink RLC identity.

When the transmission path is the Sidelink relay, the terminal device may determine the transmission path by relaying the terminal device identifier. The relay terminal device identifier may be a layer 2 identifier of the relay terminal device, or the relay terminal device identifier may be an index, and the relay terminal device at the index position is indicated according to an ascending order or a descending order of the layer 2 identifiers of the relay terminal devices connected to the terminal device.

In some embodiments, the terminal device receives a first transmission configuration sent by the network side device, where the first transmission configuration is used to indicate a transmission path of the data carried, the transmission path includes at least two transmission paths, and the terminal device transmits the carried data through the transmission path according to the first transmission configuration.

In some embodiments, the network side device sends first indication information to the terminal device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated.

In this embodiment of the present disclosure, on the basis that the first indication information is used to indicate the activated bearer transmission path, the terminal device may transmit the data of the bearer through the transmission path in the activated state.

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sidelink RRC message.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

In the embodiment of the present disclosure, a network side device sends first indication information to a terminal device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated. A transmission path activation indication may be sent to the terminal device to indicate activation of the transmission path of the bearer.

In some embodiments, for the same bearer, the network side device does not configure the first transmission configuration and the second transmission configuration at the same time, where the second transmission configuration is used to control the RLC of the bearer in multiple cell groups to perform repeated transmission.

In the embodiment of the present disclosure, for the same bearer, the network side device sends a first transmission configuration to the terminal device, where the first transmission configuration is used to indicate a transmission path of data of the bearer, and the transmission path includes at least two transmission paths. In this case, the network side device does not send the second transmission configuration to the terminal device, and instructs the RLC carried in the plurality of cell groups to perform repeated transmission.

Illustratively, for the same bearer, in the case that the bearer is a DRB, the network side device sends a first transmission configuration to the terminal device, where the first transmission configuration indicates a transmission path of data of the DRB, and at this time, the terminal device may already determine the transmission path of the data of the DRB according to the first transmission configuration.

It can be understood that, for the same bearer, when the network side device sends the first transmission configuration to the terminal device, the network side device does not send the second transmission configuration to the terminal device, that is, for the same bearer, the network side device does not send the first transmission configuration and the second transmission configuration to the terminal device at the same time, so as to avoid repetition of the indicated transmission path and avoid error in data transmission.

Referring to fig. 8, fig. 8 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 8, the method is performed by a network side device, and the method may include, but is not limited to, the following steps:

s81: sending a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path comprises at least two transmission paths; the first transmission configuration includes an activation status indication indicating that the transmission path is in an active state.

In the embodiment of the present disclosure, for the related description of S81, reference may be made to the related description in the above embodiment, and details are not repeated here.

In the embodiment of the present disclosure, the first transmission configuration sent by the network side device to the terminal device further includes an activation status indication, where the activation status indication is used to indicate that the transmission path is in an activation status, where the activation status indication may indicate that one of the at least two transmission paths is in an activation status, and based on this, the terminal device may determine the transmission path in the activation status after receiving the first transmission configuration sent by the network side device.

In the embodiment of the disclosure, the terminal device determines the transmission path in the activated state according to the first transmission configuration sent by the network side device, and can transmit the carried data through the transmission path in the activated state, so that the terminal device can determine the transmission path of the carried data and transmit the carried data on the transmission path, and reliability of data transmission can be improved.

It should be noted that, in the embodiment of the present disclosure, S81 may be implemented alone, or may be implemented in combination with any other step in the embodiment of the present disclosure, for example, implemented in combination with S71 in the embodiment of the present disclosure, and the embodiment of the present disclosure does not limit this.

By implementing the embodiment of the disclosure, the network side device sends the first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path comprises at least two transmission paths; the first transmission configuration includes an activation status indication indicating that the transmission path is in an active state. Therefore, the terminal equipment can transmit the loaded data through a plurality of transmission paths and transmit the loaded data on the transmission path in the activated state, and the reliability of data transmission can be improved.

Referring to fig. 9, fig. 9 is a flowchart of another data transmission configuration method according to an embodiment of the disclosure.

As shown in fig. 9, the method is performed by a network side device, and the method may include, but is not limited to, the following steps:

s91: and sending a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path comprises at least two transmission paths.

In the embodiment of the present disclosure, for the related description of S91, reference may be made to the related description in the above embodiment, and details are not repeated here.

S92: and sending first indication information to the terminal equipment, wherein the first indication information is used for indicating the activation or deactivation of the transmission path of the bearer.

In the embodiment of the present disclosure, a terminal device receives first indication information sent by a network side device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated. Wherein the first indication information is used for indicating the transmission path of the activated bearer, or the first indication information is used for indicating the transmission path of the deactivated bearer.

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sildelink RRC message.

In this embodiment of the present disclosure, the network side device sends the first indication information to the terminal device, and may send a MAC CE (medium access control element) to the terminal device, where the MAC CE carries the first indication information.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

The first indication information may include a bit map, bit positions are in one-to-one correspondence with the transmission paths, bits in corresponding positions indicate activation or deactivation, and a correspondence between a bit position and a transmission path may be Uu after the first is a Sidelink relay, or vice versa. If there are several logical channels or RLC channels in any path, the logical channels or RLC channels are sorted in ascending or descending order of their identities.

It should be noted that, in the embodiment of the present disclosure, S91 may be implemented alone, or may be implemented in combination with any other step in the embodiment of the present disclosure, for example, S71 in the embodiment of the present disclosure, which is not limited in the embodiment of the present disclosure.

By implementing the embodiment of the disclosure, the network side device sends a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of the loaded data, and the transmission path includes at least two transmission paths; and sending first indication information to the terminal equipment, wherein the first indication information is used for indicating the activation or deactivation of the transmission path of the bearer. Therefore, the terminal equipment can transmit the carried data through a plurality of transmission paths and transmit the carried data on the transmission path in the activated state, and the reliability of data transmission can be improved.

In the embodiments provided by the present disclosure, the methods provided by the embodiments of the present disclosure are introduced from the perspective of the terminal device and the network side device, respectively. In order to implement the functions in the method provided by the embodiment of the present disclosure, the terminal device and the network side device may include a hardware structure and a software module, and the functions are implemented in the form of a hardware structure, a software module, or a hardware structure and a software module. Some of the above-described functions may be implemented by a hardware configuration, a software module, or a combination of a hardware configuration and a software module.

Fig. 10 is a schematic structural diagram of a communication device 1 according to an embodiment of the present disclosure. The communication device 1 shown in fig. 10 may comprise a transceiver module 11 and a processing module. The transceiver module may include a transmitting module and/or a receiving module, the transmitting module is configured to implement a transmitting function, the receiving module is configured to implement a receiving function, and the transceiver module may implement a transmitting function and/or a receiving function.

The communication apparatus 1 may be a terminal device, may be a device in a terminal device, or may be a device that can be used in cooperation with a terminal device. Alternatively, the communication device 1 may be a network side device, may be a device in the network side device, or may be a device that can be used in cooperation with the network side device.

The communication apparatus 1 is a terminal device:

the device, comprising: a transceiver module 11.

The transceiver module 11 is configured to receive a first transmission configuration sent by a network-side device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths.

In some embodiments, the transmission path is at least one of:

sidelink relay;

Uu。

a cell group;

a cell identity;

a logical channel identification;

radio link control, RLC, identity.

a relay terminal device identifier;

a Sidelink logical channel identification;

sidelink RLC identity.

In some embodiments, the transceiver module 11 is further configured to transmit the data carried over the transmission path according to the first transmission configuration.

In some embodiments, the transmission path includes a primary transmission path and a secondary transmission path, and the transceiver module 11 is further configured to transmit the data carried through the primary transmission path according to the first transmission configuration.

In some embodiments, the transceiver module 11 is further configured to receive first indication information sent by the network side device, where the first indication information is used to indicate that a transmission path of a bearer is activated or deactivated.

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sidelink RRC message.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

In some embodiments, the first transmission configuration comprises an activation status indication for indicating that the transmission path is in an activated state.

In some embodiments, the transceiver module 11 is further configured to transmit the carried data through the transmission path in the active state.

The communication device 1 is a network side device:

the device, comprising: a transceiver module 11.

The transceiver module 11 is configured to send a first transmission configuration to the terminal device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths.

In some embodiments, the transmission path is at least one of:

sidelink relay;

Uu。

in some embodiments, the transceiver module 11 is further configured to send first indication information to the terminal device, where the first indication information is used to indicate that a transmission path of the bearer is activated or deactivated.

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sildelink RRC message.

In some embodiments, the first indication information includes at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

With regard to the communication apparatus 1 in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.

The communication device 1 provided in the above embodiments of the present disclosure has the same or similar advantages as the data transmission configuration methods provided in some of the above embodiments, and is not described herein again.

Referring to fig. 11, fig. 11 is a schematic structural diagram of another communication device 1000 according to an embodiment of the disclosure. The communication apparatus 1000 may be a network side device, a terminal device, a chip system, a processor, or the like supporting the network side device to implement the method, or a chip, a chip system, a processor, or the like supporting the terminal device to implement the method. The communication device 1000 may be used to implement the method described in the above method embodiment, and specific reference may be made to the description in the above method embodiment.

The communications device 1000 may include one or more processors 1001. The processor 1001 may be a general-purpose processor or a special-purpose processor, etc. For example, a baseband processor or a central processor. The baseband processor may be configured to process communication protocols and communication data, and the central processor may be configured to control a communication apparatus (e.g., a network side device, a baseband chip, a terminal device chip, a DU or CU, etc.), execute a computer program, and process data of the computer program.

Optionally, the communication device 1000 may further include one or more memories 1002, on which a computer program 1004 may be stored, and the memory 1002 executes the computer program 1004, so that the communication device 1000 executes the method described in the above method embodiments. Optionally, the memory 1002 may further store data. The communication device 1000 and the memory 1002 may be provided separately or may be integrated together.

Optionally, the communication device 1000 may further include a transceiver 1005 and an antenna 1006. The transceiver 1005 may be referred to as a transceiving unit, a transceiver, or a transceiving circuit, etc., for implementing a transceiving function. The transceiver 1005 may include a receiver and a transmitter, and the receiver may be referred to as a receiver or a receiving circuit, etc. for implementing a receiving function; the transmitter may be referred to as a transmitter or a transmission circuit, etc. for implementing the transmission function.

Optionally, one or more interface circuits 1007 may also be included in the communication device 1000. The interface circuit 1007 is used to receive code instructions and transmit them to the processor 1001. The processor 1001 executes the code instructions to cause the communication device 1000 to perform the methods described in the above method embodiments.

The communication apparatus 1000 is a first terminal device: the transceiver 1005 is configured to perform S21 in fig. 2; s31 and S32 in fig. 3; s41 and S42 in fig. 4; s51 and S52 in fig. 5; s61 and S62 in fig. 6.

The communication apparatus 1000 is a network side device: the transceiver 1005 is configured to perform S71 in fig. 7; s81 in fig. 8; s91 and S92 in fig. 9.

In one implementation, a transceiver may be included in processor 1001 for performing receive and transmit functions. The transceiver may be, for example, a transceiver circuit, or an interface circuit. The transmit and receive circuitry, interfaces or interface circuitry used to implement the receive and transmit functions may be separate or integrated. The transceiver circuit, the interface circuit or the interface circuit may be used for reading and writing code/data, or the transceiver circuit, the interface circuit or the interface circuit may be used for transmitting or transferring signals.

In one implementation, the processor 1001 may store a computer program 1003, and the computer program 1003 runs on the processor 1001 and may cause the communication apparatus 1000 to execute the method described in the above method embodiment. The computer program 1003 may be solidified in the processor 1001, in which case the processor 1001 may be implemented by hardware.

In one implementation, the communication device 1000 may include circuitry that may implement the functionality of transmitting or receiving or communicating in the foregoing method embodiments. The processors and transceivers described in this disclosure may be implemented on Integrated Circuits (ICs), analog ICs, radio Frequency Integrated Circuits (RFICs), mixed signal ICs, application Specific Integrated Circuits (ASICs), printed Circuit Boards (PCBs), electronic devices, and the like. The processor and transceiver may also be fabricated using various IC process technologies such as Complementary Metal Oxide Semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-type metal oxide semiconductor (PMOS), bipolar Junction Transistor (BJT), bipolar CMOS (BiCMOS), silicon germanium (SiGe), gallium arsenide (GaAs), etc.

The communication apparatus in the above description of the embodiment may be a terminal device, but the scope of the communication apparatus described in the present disclosure is not limited thereto, and the structure of the communication apparatus may not be limited by fig. 11. The communication means may be a stand-alone device or may be part of a larger device. For example, the communication means may be:

(1) A stand-alone integrated circuit IC, or chip, or system-on-chip or subsystem;

(2) A set of one or more ICs, which optionally may also include storage means for storing data, computer programs;

(3) An ASIC, such as a Modem (Modem);

(4) A module that may be embedded within other devices;

(5) Receivers, terminal devices, intelligent terminal devices, cellular phones, wireless devices, handsets, mobile units, in-vehicle devices, network devices, cloud devices, artificial intelligence devices, and the like;

(6) Others, and so forth.

For the case that the communication device may be a chip or a chip system, please refer to fig. 12, which is a structural diagram of a chip provided in the embodiment of the present disclosure.

Chip 1100 includes a processor 1101 and an interface 1103. The number of the processors 1101 may be one or more, and the number of the interfaces 1103 may be plural.

For the case that the chip is used to implement the functions of the network side device in the embodiments of the present disclosure:

an interface 1103 for receiving code instructions and transmitting them to the processor.

A processor 1101 for executing code instructions to perform a data transmission configuration method as described in some embodiments above.

For the case that the chip is used for realizing the functions of the terminal device in the embodiments of the present disclosure:

A processor 1101 for executing the code instructions to perform the data transmission configuration method as described in some embodiments above.

Optionally, the chip 1100 further comprises a memory 1102, the memory 1102 being adapted to store necessary computer programs and data.

Those of skill in the art will also appreciate that the various illustrative logical blocks and steps (step) set forth in the embodiments of the disclosure may be implemented in electronic hardware, computer software, or combinations of both. Whether such functionality is implemented as hardware or software depends upon the particular application and design requirements of the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments.

The embodiment of the present disclosure further provides a data transmission configuration system, where the system includes the communication apparatus serving as the terminal device in the foregoing embodiment in fig. 10 and the communication apparatus serving as the network-side device, or the system includes the communication apparatus serving as the terminal device in the foregoing embodiment in fig. 11 and the communication apparatus serving as the network-side device.

The present disclosure also provides a readable storage medium having stored thereon instructions which, when executed by a computer, implement the functionality of any of the above-described method embodiments.

The present disclosure also provides a computer program product which, when executed by a computer, implements the functionality of any of the method embodiments described above.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer programs. The procedures or functions according to the embodiments of the present disclosure are wholly or partially generated when the computer program is loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer program can be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer program can be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

Those of ordinary skill in the art will understand that: the various numbers of the first, second, etc. involved in this disclosure are merely for convenience of description and distinction, and are not intended to limit the scope of the embodiments of the disclosure, but also to indicate the order of precedence.

At least one of the present disclosure may also be described as one or more, and a plurality may be two, three, four or more, without limitation of the present disclosure. In the embodiment of the present disclosure, for a technical feature, the technical features in the technical feature are distinguished by "first", "second", "third", "a", "B", "C", and "D", and the like, and the technical features described in "first", "second", "third", "a", "B", "C", and "D" are not in the order of priority or magnitude.

The correspondence shown in the tables in the present disclosure may be configured or predefined. The values of the information in each table are only examples, and may be configured as other values, and the disclosure is not limited thereto. When the correspondence between the information and each parameter is configured, it is not necessarily required that all the correspondence indicated in each table be configured. For example, in the table in the present disclosure, the correspondence relationship shown by some rows may not be configured. For another example, appropriate modification adjustments, such as splitting, merging, etc., can be made based on the above tables. The names of the parameters in the tables may be other names understandable by the communication device, and the values or the expression of the parameters may be other values or expressions understandable by the communication device. When the above tables are implemented, other data structures may be used, for example, arrays, queues, containers, stacks, linear tables, pointers, linked lists, trees, graphs, structures, classes, heaps, hash tables, or hash tables may be used.

Predefinition in this disclosure may be understood as defining, predefining, storing, pre-negotiating, pre-configuring, curing, or pre-firing.

Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A data transmission configuration method, wherein the method is executed by a terminal device, and comprises:

receiving a first transmission configuration sent by a network side device, wherein the first transmission configuration is used for indicating a transmission path of data carried by the network side device, and the transmission path includes at least two transmission paths.

2. The method of claim 1, wherein the bearer is a Data Radio Bearer (DRB) and/or a Signaling Radio Bearer (SRB).

3. The method of claim 1 or 2, wherein the transmission path is at least one of:

sidelink relay;

Uu。

4. the method of claim 3, wherein if the transmission path is Uu, the transmission path is determined by at least one of:

a cell group;

a cell identity;

a logical channel identification;

radio link control, RLC, identity.

5. The method of claim 3, wherein if the transmission path is a Sidelink relay, determining the transmission path by at least one of:

a relay terminal device identifier;

a Sidelink logical channel identification;

sidelink RLC identity.

6. The method of any of claims 1 to 5, further comprising:

and transmitting the loaded data through the transmission path according to the first transmission configuration.

7. The method of claim 6, wherein the transmission path comprises a primary transmission path and a secondary transmission path, and wherein transmitting the data of the bearer over the transmission path according to the first duplicate transmission configuration comprises:

and transmitting the loaded data through the main transmission path according to the first transmission configuration.

8. The method of any of claims 1 to 5, further comprising:

receiving first indication information sent by the network side device, wherein the first indication information is used for indicating to activate or deactivate the transmission path of the bearer.

9. The method of claim 8, wherein the first indication information is carried in at least one of:

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sildelink RRC message.

10. The method of claim 8 or 9, wherein the first indication information comprises at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

11. The method of any of claims 1 to 5, wherein the first transmission configuration comprises an activation status indication indicating that the transmission path is active.

12. The method of any of claims 8 to 11, further comprising:

and transmitting the carried data through the transmission path in the activated state.

13. A data transmission configuration method is executed by a network side device, and comprises the following steps:

sending a first transmission configuration to a terminal device, wherein the first transmission configuration is used for indicating a transmission path of data carried by the terminal device, and the transmission path includes at least two transmission paths.

14. The method of claim 13, wherein the bearer is a Data Radio Bearer (DRB) and/or a Signaling Radio Bearer (SRB).

15. The method of claim 13 or 14, wherein the transmission path is at least one of:

sidelink relay;

Uu。

16. the method of any of claims 13 to 15, further comprising:

and sending first indication information to the terminal equipment, wherein the first indication information is used for indicating the activation or deactivation of the transmission path of the bearer.

17. The method of claim 16, wherein the first indication information is carried in at least one of:

a media access control layer control unit MAC CE;

a radio resource control, RRC, message;

a packet data convergence protocol PDCP control PDU;

Sidelink MAC CE；

sidelink RRC message.

18. The method of claim 16 or 17, wherein the first indication information comprises at least one of:

carrying an identifier;

a transmission path activation indication;

a transmission path deactivation indication.

19. The method of any of claims 13 to 15, wherein the first transmission configuration comprises an activation status indication indicating that the transmission path is active.

20. The method of any of claims 13 to 19, wherein the network side device does not configure the first transmission configuration and a second transmission configuration at the same time for the same bearer, wherein the second transmission configuration is used to control the bearer to transmit repeatedly at RLC of multiple cell groups.

21. A communications apparatus, the apparatus comprising:

the receiving and sending module is configured to receive a first transmission configuration sent by a network side device, where the first transmission configuration is used to indicate a transmission path of data carried, and the transmission path includes at least two transmission paths.

22. A communications apparatus, the apparatus comprising:

the terminal device comprises a transceiving module configured to send a first transmission configuration to the terminal device, wherein the first transmission configuration is used for indicating a transmission path of data carried by the terminal device, and the transmission path comprises at least two transmission paths.

23. A communications apparatus, comprising a processor and a memory, the memory having stored therein a computer program, the processor executing the computer program stored in the memory to cause the apparatus to perform the method of any of claims 1 to 12 or the processor executing the computer program stored in the memory to cause the apparatus to perform the method of any of claims 13 to 20.

24. A communications apparatus, comprising: a processor and an interface circuit;

the interface circuit is used for receiving code instructions and transmitting the code instructions to the processor;

the processor for executing the code instructions to perform the method of any one of claims 1 to 12 or for executing the code instructions to perform the method of any one of claims 13 to 20.

25. A computer readable storage medium storing instructions that when executed cause the method of any one of claims 1 to 12 to be implemented, or that when executed cause the method of any one of claims 13 to 20 to be implemented.